<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'myCalTnerface.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
     <script type="text/javascript" src="js/js1.js"></script>
  </head>
  
  <body>
    <form action="/jsp2/resault.jsp" method="post" onsubmit="return checkNUm()">
                请输入第一个数:<input type="text" id="num1" name="num1"/><br/>
                请输入第二个数:<input type="text" id="num2" name="num2"/><br/> 
               请选择运算符:<select name="operator"> 
               <option value="+">+</option>
               <option value="-">-</option>
               <option value="*">*</option>
               <option value="/">/</option>
               </select><br/>
      <input type="submit" value="计算"/>
     </form>
  </body>
</html>
